Castle of Illusion

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Castle of Illusion
Castle of illusion.jpg
Release dates
September 4, 2013
Castle of Illusion at Steam Charts
Castle of Illusion at SteamDB
 Castle of Illusion at Wikipedia

General information

More information Steam Community Discussions


[edit] Availability

Source(s) Store unlock Notes
Steam Steamicon.png
GamersGate Steamicon.png
Green Man Gaming Steamicon.png
Information All versions require Steam.

[edit] Game data

[edit] Configuration file(s) location

Windows <path-to-game>\pcrun.cfg

[edit] Save game data location


[edit] Save game cloud syncing

System Native Notes
Steam Cloud Impossible

[edit] Video settings

Graphics settings.
Graphics option Option WSGF Notes
Widescreen resolution Native WSGF WS Silver.png Game does not display at 1920x1080 because it forces a 30hz refresh rate. See Refresh rate for a fix.
Multi-monitor Impossible Cross.png
Ultra-widescreen Impossible Cross.png
Field of view (FOV) Impossible
Windowed Native
Borderless fullscreen windowed Hackable In config file (pcrun.cfg) change borderlesswindow value form false to true or use Windowed Bordeless Gaming.
Anisotropic filtering (AF) Impossible
Anti-aliasing (AA) Native See Anti-aliasing (AA).
Vertical sync (Vsync) Impossible Enabled by default.
High frame rate Hackable In config file (pcrun.cfg) change framelimit value form false to true and disable vsync in graphics drivers or see High frame rate.

[edit] Widescreen resolution

Information In fullscreen, resolution and refresh rate are preset by the game with oddball values like 1920x1080@30Hz.
Information The game supports most resolutions by default. Some resolutions may not display correctly due to non-standard refresh rates. See Other information for a solution.

[edit] Anti-aliasing (AA)

Information An in game antialiasing option is available. This can be further enhanced by enabling FXAA in your graphics driver or by downsampling..

[edit] High frame rate

Disadvantage The game is locked to 60 FPS.

Fix Download patch[1]Link

  1. Download the application located here.
  2. Navigate to the installation folder, typically Steam\steamapps\common\castle of illusion\
  3. Replace the COI.exe application with the one downloaded.

[edit] Input settings

Keyboard and mouse Native Notes
Remapping Impossible 3 presets only
Mouse acceleration Impossible No mouse support.
Mouse input in menus Impossible
Mouse Y-axis inversion Impossible
Controller support Native XInput controllers only.
Full controller support Impossible Achievements menu opens in Steam Overlay ( Shift+Tab ).
Controller remapping Impossible
Controller Y-axis inversion Impossible

[edit] Audio settings

Audio options Native Notes
Separate volume controls Impossible
Surround sound Impossible
Subtitles Native
Closed captions Impossible
Mute on focus lost Impossible


Language UI Audio CC Notes
English Native Native Native
German Native Unknown Native
French Native Unknown Native
Italian Native Unknown Native
Spanish Native Unknown Native
Japanese Native Unknown Native

[edit] Refresh rate

Information Running the game in windowed mode uses your desktops resolution refresh rate.
Information You can force the refresh rate using a tool like Radeon Pro.

Fix Forcing refresh rate via DirectX registry entries[2]Link

  1. Open the Registry Editor:
    • Vista and newer: open the Start screen/Start menu, type regedit, press Enter.
    • Windows XP: press Win+R, type regedit, press Enter.
  2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DirectDraw
  3. Create DWORD entry "ForceRefreshRate" and change its DECIMAL value to the refresh rate of your monitor.
Information 64-bit users will need to repeat this at HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\DirectDraw as well.
Information This will force DirectX games to run in your monitor's refresh rate.

[edit] High input lag

Information High controller input lag is caused by the use of a non-standard refresh rate by the game. See Refresh rate for a fix.

[edit] System requirements

Minimum Recommended
Operating system (OS) Vista SP2 7
Processor (CPU) 2.8 GHz Dual Core 2.4 GHz Quad Core
System memory (RAM) 2 GB 4 GB
Hard disk drive (HDD)
10 GB
Video card (GPU) ATI 2600
Nvidia 8600
ATI 4850
Nvidia 8800
DirectX 11 compatible


  1. FPS patch. - Steam Community Discussions
  2. Refresh Rate fix. Works for all games actually! - Steam Community Discussions

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